Ferrilotharmeyerite
A valid IMA mineral species
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About Ferrilotharmeyerite
Formula:
CaZnFe3+(AsO4)2(OH) · H2O
Colour:
Brownish-yellow, yellow
Lustre:
Sub-Adamantine, Waxy, Greasy
Hardness:
3
Specific Gravity:
4.25
Crystal System:
Monoclinic
Member of:
Name:
Named by Gary Ansell et al. in 1992 for its ferric iron composition and its relation to lotharmeyerite. The root name is for Julius Lothar Meyer (19 August 1830 Varel, Germany - 11 April 1895, Tübingen, Germany), chemist who developed early concepts for the periodic table of elements.
Isostructural with:
This page provides mineralogical data about Ferrilotharmeyerite.
Unique Identifiers
Mindat ID:
1495
Long-form identifier:
mindat:1:1:1495:9
GUID
(UUID V4):
(UUID V4):
093e757f-741e-41a4-a713-215ef5c8c207
IMA Classification of Ferrilotharmeyerite
Approved
Approval year:
1986
First published:
1992
Classification of Ferrilotharmeyerite
8.CG.15
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
G : With large and medium-sized cations, RO4:H2O = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
G : With large and medium-sized cations, RO4:H2O = 1:1
Dana 7th ed.:
40.2.11.2
37.1.6.2
37 : ANHYDROUS ACID PHOSPHATES, ARSENATES AND VANADATES
1 : Miscellaneous
37 : ANHYDROUS ACID PHOSPHATES, ARSENATES AND VANADATES
1 : Miscellaneous
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Flmy | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Ferrilotharmeyerite
Sub-Adamantine, Waxy, Greasy
Transparency:
Translucent
Colour:
Brownish-yellow, yellow
Streak:
Light yellow
Hardness:
3 on Mohs scale
Hardness:
VHN100=500 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on {001}
Good on {001}
Fracture:
Irregular/Uneven
Density:
4.25 g/cm3 (Measured) 4.25(8) g/cm3 (Calculated)
Comment:
Ranges to 4.38 (calculated)
Optical Data of Ferrilotharmeyerite
Type:
Biaxial (+)
RI values:
nα = 1.830(1) nβ = 1.835 nγ = 1.870(1)
2V:
Measured: 40° , Calculated: 44°
Birefringence:
0.040
Max Birefringence:
δ = 0.040
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v distinct
Pleochroism:
Strong
Comments:
X= olive green or orange
Y= pale green or yellow
Z= colorless
Y= pale green or yellow
Z= colorless
Chemistry of Ferrilotharmeyerite
Mindat Formula:
CaZnFe3+(AsO4)2(OH) · H2O
Common Impurities:
Cu,Al,Pb
Crystallography of Ferrilotharmeyerite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.010(3) Å, b = 6.246(2) Å, c = 7.391(2) Å
β = 115.52(3)°
β = 115.52(3)°
Ratio:
a:b:c = 1.443 : 1 : 1.183
Unit Cell V:
375.36 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Short wedge-shaped to tabular crystals
Comment:
Also a 8.98, b 6.230, c 7.380, beta 115.57
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0006708 | Ferrilotharmeyerite | Krause W, Belendorff K, Bernhardt H J, McCammon C A, Effenberger H, Mikenda W (1998) Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite European Journal of Mineralogy 10 179-206 | 1998 | Tsumeb mine, Namibia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Image Loading
Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.95 Å | (70) |
3.398 Å | (100) |
3.175 Å | (100) |
2.938 Å | (100) |
2.823 Å | (70) |
2.702 Å | (70) |
2.544 Å | (100) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Ferrilotharmeyerite
General Appearance of Type Material:
multiple subhedral crystallites, averaging 0.2 mm in length, with crudely formed faces slightly elongate in the b direction
Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa, Canada NMC64573
Museum of Victoria, Melbourne, Australia (M38092)
Museum of Victoria, Melbourne, Australia (M38092)
Geological Setting of Type Material:
Dolostone hosted hydrothermal polymetallic ore deposit
Associated Minerals at Type Locality:
Reference:
Ansell, H.G., Roberts, A.C., Dunn, P.J., Birch, W.D., Ansell, V.E., Grice, J.D. (1992) Ferrilotharmeyerite, a new Ca-Zn-Fe3+ hydroxyl arsenate from Tsumeb, Namibia. Canadian Mineralogist: 30: 225-227.
Synonyms of Ferrilotharmeyerite
Other Language Names for Ferrilotharmeyerite
German:Ferrilotharmeyerit
Russian:Феррилотармейерит
Simplified Chinese:羟砷钙铁石
Spanish:Ferrilotharmeyerita
Traditional Chinese:羥砷鈣鐵石
Varieties of Ferrilotharmeyerite
Relationship of Ferrilotharmeyerite to other Species
Member of:
Other Members of this group:
Alumolukrahnite | Ca[CuAl](AsO4)2(H2O,OH)2 | Tric. 1 : P1 |
Cabalzarite | CaMg2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Cobaltlotharmeyerite | CaCo2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Cobalttsumcorite | PbCo2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Gartrellite | PbCuFe3+(AsO4)2(OH) · H2O | Tric. 1 : P1 |
Helmutwinklerite | PbZn2(AsO4)2 · 2H2O | Tric. 1 : P1 |
Kaliochalcite | KCu2(SO4)2[(OH)(H2O)] | Mon. 2/m : B2/m |
Krettnichite | PbMn3+2(VO4)2(OH)2 | Mon. 2/m : B2/m |
Lotharmeyerite | CaZn2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Lukrahnite | CaCuFe3+(AsO4)2(OH,H2O)2 | Tric. 1 : P1 |
Manganlotharmeyerite | CaMn3+2(AsO4)2(OH)2 | Mon. 2/m : B2/m |
Mawbyite | PbFe3+2(AsO4)2(OH)2 | Mon. 2/m : B2/m |
Mounanaite | PbFe3+2(VO4)2(OH,F)2 | Mon. 2/m : B2/m |
Natrochalcite | NaCu2(SO4)2(OH) · 2H2O | Mon. 2/m : B2/m |
Nickellotharmeyerite | CaNi2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Nickelschneebergite | BiNi2(AsO4)2(OH) · H2O | Mon. 2/m : B2/m |
Nickeltsumcorite | Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2 | Mon. 2/m : B2/m |
Phosphogartrellite | PbCuFe3+(PO4)2(OH,H2O)2 | Tric. 1 : P1 |
Rappoldite | PbCo2(AsO4)2 · 2H2O | Tric. 1 : P1 |
Schneebergite | BiCo2(AsO4)2(OH) · H2O | Mon. 2/m : B2/m |
Thometzekite | PbCu2+2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Tsumcorite | PbZn2(AsO4)2 · 2H2O | Mon. 2/m : B2/m |
Yancowinnaite | PbCuAl(AsO4)2OH · H2O | Tric. 1 : P1 |
Zincgartrellite | PbZn2(AsO4)2(H2O,OH)2 | Tric. 1 : P1 |
Common Associates
Associated Minerals Based on Photo Data:
37 photos of Ferrilotharmeyerite associated with Zincolivenite | CuZn(AsO4)(OH) |
5 photos of Ferrilotharmeyerite associated with Silver | Ag |
5 photos of Ferrilotharmeyerite associated with Olivenite | Cu2(AsO4)(OH) |
5 photos of Ferrilotharmeyerite associated with Chenevixite | Cu2Fe3+2(AsO4)2(OH)4 |
3 photos of Ferrilotharmeyerite associated with Adamite | Zn2(AsO4)(OH) |
2 photos of Ferrilotharmeyerite associated with Beaverite-(Cu) | Pb(Fe3+2Cu)(SO4)2(OH)6 |
2 photos of Ferrilotharmeyerite associated with Conichalcite | CaCu(AsO4)(OH) |
1 photo of Ferrilotharmeyerite associated with Bayldonite | PbCu3(AsO4)2(OH)2 |
1 photo of Ferrilotharmeyerite associated with Ludlockite | PbFe3+4As3+10O22 |
Related Minerals - Strunz-mindat Grouping
8.CG. | Ca-Huréaulite | CaMn5(PO4)4 · 4H2O |
8.CG. | Fluckite | CaMn2+(AsO3OH)2 · 2H2O |
8.CG. | Dondoellite | Ca2Fe(PO4)2 · 2H2O |
8.CG. | Alumolukrahnite | Ca[CuAl](AsO4)2(H2O,OH)2 |
8.CG.05 | Cassidyite | Ca2Ni(PO4)2 · 2H2O |
8.CG.05 | Collinsite | Ca2Mg(PO4)2 · 2H2O |
8.CG.05 | Fairfieldite | Ca2Mn2+(PO4)2 · 2H2O |
8.CG.05 | Gaitite | Ca2Zn(AsO4)2 · 2H2O |
8.CG.05 | Messelite | Ca2Fe2+(PO4)2 · 2H2O |
8.CG.05 | Parabrandtite | Ca2Mn2+(AsO4)2 · 2H2O |
8.CG.05 | Anorthoroselite | Ca2Co(AsO4)2 · 2H2O |
8.CG.05 | Talmessite | Ca2Mg(AsO4)2 · 2H2O |
8.CG.05 | Hillite | Ca2Zn(PO4)2 · 2H2O |
8.CG.05 | Unnamed (Fe2+-analogue of Parabrandtite) | Ca2Fe2+(AsO4)2 · 2H2O |
8.CG.10 | Brandtite | Ca2Mn2+(AsO4)2 · 2H2O |
8.CG.10 | Roselite | Ca2Co(AsO4)2 · 2H2O |
8.CG.10 | Wendwilsonite | Ca2Mg(AsO4)2 · 2H2O |
8.CG.10 | Zincroselite | Ca2Zn(AsO4)2 · 2H2O |
8.CG.10 | Rruffite | Ca2Cu(AsO4)2 · 2H2O |
8.CG.10 | Unnamed (Fe2+-analogue of Brandtite) | Ca2Fe2+(AsO4)2 · 2H2O |
8.CG.15 | Lotharmeyerite | CaZn2(AsO4)2 · 2H2O |
8.CG.15 | Mawbyite | PbFe3+2(AsO4)2(OH)2 |
8.CG.15 | Mounanaite | PbFe3+2(VO4)2(OH,F)2 |
8.CG.15 | Thometzekite | PbCu2+2(AsO4)2 · 2H2O |
8.CG.15 | Tsumcorite | PbZn2(AsO4)2 · 2H2O |
8.CG.15 | Cobaltlotharmeyerite | CaCo2(AsO4)2 · 2H2O |
8.CG.15 | Cabalzarite | CaMg2(AsO4)2 · 2H2O |
8.CG.15 | Krettnichite | PbMn3+2(VO4)2(OH)2 |
8.CG.15 | Cobalttsumcorite | PbCo2(AsO4)2 · 2H2O |
8.CG.15 | Nickellotharmeyerite | CaNi2(AsO4)2 · 2H2O |
8.CG.15 | Manganlotharmeyerite | CaMn3+2(AsO4)2(OH)2 |
8.CG.15 | Schneebergite | BiCo2(AsO4)2(OH) · H2O |
8.CG.15 | Nickelschneebergite | BiNi2(AsO4)2(OH) · H2O |
8.CG.15 | Yancowinnaite | PbCuAl(AsO4)2OH · H2O |
8.CG.15 | Nickeltsumcorite | Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2 |
8.CG.15 | Magnesiofluckite | CaMg(AsO3OH)2(H2O)2 |
8.CG.20 | Gartrellite | PbCuFe3+(AsO4)2(OH) · H2O |
8.CG.20 | Helmutwinklerite | PbZn2(AsO4)2 · 2H2O |
8.CG.20 | Zincgartrellite | PbZn2(AsO4)2(H2O,OH)2 |
8.CG.20 | Rappoldite | PbCo2(AsO4)2 · 2H2O |
8.CG.20 | Phosphogartrellite | PbCuFe3+(PO4)2(OH,H2O)2 |
8.CG.20 | Lukrahnite | CaCuFe3+(AsO4)2(OH,H2O)2 |
8.CG.25 | Pottsite | (Pb3xBi4-2x)(VO4)4 · H2O (0.8 < x < 1.0) |
8.CG.25 | Armellinoite-(Ce) | Ca4Ce4+(AsO4)4 · H2O |
8.CG.35 | Nickeltalmessite | Ca2Ni(AsO4)2 · 2H2O |
8.CG.55 | Irhtemite | Ca4Mg(AsO4)2(HAsO4)2 · 4H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Ferrilotharmeyerite
mindat.org URL:
https://www.mindat.org/min-1495.html
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References for Ferrilotharmeyerite
Reference List:
Ansell, Valerie E., Ansell, Gary H., Roberts, Andrew C., Dunn, Pete J., Birch, William D., Grice, Joel D. (1992) Ferrilotharmeyerite, a new Ca-Zn-Fe3+ hydroxyl arsenate from Tsumeb, Namibia. The Canadian Mineralogist, 30 (1) 225-227
Krause, Werner, Belendorff, Klaus, Bernhardt, Heinz-Jürgen, Mccammon, Catherine, Effenberger, Herta, Mikenda, Werner (1998) Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite. European Journal of Mineralogy, 10 (2) 179-206 doi:10.1127/ejm/10/2/0179
Localities for Ferrilotharmeyerite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Austria | |
| Kolitsch et al. (2020) |
Germany | |
| 58. +2 other references |
| Neues Jahrb. Mineral. Mon. 558-576 |
| W. Krause et al. (2002) |
Greece | |
| Kolitsch et al. (2014) |
Morocco | |
| Favreau et al. (2006) |
| Favreau et al. (2006) |
Namibia (TL) | |
| Ansell et al. (1992) |
Spain | |
| Calvo Rebollar et al. (2022) |
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Roter Berg mining district, Zschorlau, Erzgebirgskreis, Saxony, Germany